营养素知识: Biotin (Vitamin B7)
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营养素知识
| 营养成分主要信息 | |||
| 营养素名称: | Biotin (Vitamin B7) | ||
| 营养素类别: | 维生素 (Vitamins) | ||
| 计量单位: | µg | ||
| 概要: | Biotin is a B-vitamin (Vitamin B7). It helps body to turn the carbohydrates, fats, and proteins in the food into energy. | ||
| 营养素功效: |
Biotin functions as a coenzyme in bicarbonate-dependent carboxylation reactions which generate energy from foods. • Protein, carbohydrate, and fat metabolism • Participates in gluconeogenesis, fatty acid synthesis, and the breakdown of certain fatty acids and amino acids • Energy storage (most biotin is stored in the liver) • Plays key roles in histone modifications, gene regulation, and cell signaling. Note: 1. biotin containing dietary supplements promote that biotin can improve the health of hair, skin, and nails, however, more scientific research is needed to support these claims. 2. as a B vitamin, Biotin is water-soluble. Water-soluble vitamin moves directly into the blood, and not well stored in the body. |
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Biotin Chemistry Structure
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Biotin Rich Foods
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食物来源
• Mushrooms
• Nuts, such as almonds and pecans
• Whole grain, such as oats and millets
• Certain vegetables, such as carrots, red and orange bell pepper, and baby spinach
• Fruits, such as blueberries
• Eggs (especially egg yolks)
• Soy milk
• Organ meats, such as pork liver and kidney
Note:
1. The biotin content of foods is generally not documented so you may not see the biotin values in the food nutrition lookup results.
2. Biotin is widely distributed in natural foods, but its concentration varies.
3. Raw egg white contains a protein which binds biotin and prevents biotin from being absorbed in the small intestine.
• Nuts, such as almonds and pecans
• Whole grain, such as oats and millets
• Certain vegetables, such as carrots, red and orange bell pepper, and baby spinach
• Fruits, such as blueberries
• Eggs (especially egg yolks)
• Soy milk
• Organ meats, such as pork liver and kidney
Note:
1. The biotin content of foods is generally not documented so you may not see the biotin values in the food nutrition lookup results.
2. Biotin is widely distributed in natural foods, but its concentration varies.
3. Raw egg white contains a protein which binds biotin and prevents biotin from being absorbed in the small intestine.
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富含营养素食物示例: Biotin (Vitamin B7) |
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| 食物描述 | 营养含量1 | 每日需量%2 | |
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Mushroom, maitake
类别: 蔬菜及蔬菜制品
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32.57 µg | 108.57% |
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Mushroom, crimini
类别: 蔬菜及蔬菜制品
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12.56 µg | 41.87% |
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Mushroom, king oyster
类别: 蔬菜及蔬菜制品
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10.83 µg | 36.10% |
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Mushrooms, white button
类别: 蔬菜及蔬菜制品
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9.067 µg | 30.22% |
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Nuts, almonds, whole, raw
类别: 坚果和种子食品
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57.01 µg | 190.03% |
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Oats, whole grain, rolled, old fashioned
类别: 谷物和面食
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21.9 µg | 73.00% |
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Soy milk, unsweetened, plain, shelf stable
类别: 豆类和豆类产品
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3.338 µg | 11.13% |
1 100克食物中的营养素含量
2 以FDA基于2000卡路里的饮食作为日需量参考
2 以FDA基于2000卡路里的饮食作为日需量参考
| 更多营养素信息 | |
| 概要 | Biotin is a B-vitamin (Vitamin B7). It helps body to turn the carbohydrates, fats, and proteins in the food into energy. |
| 缺乏营养对健康的影响 |
Biotin deficiency is very rare in the United States. Biotin deficiency may cause: • Red scaly skin rash around the eyes, nose, and mouth • Thinning hair and loss of body hair • Conjunctivitis (pink eye) • Central nervous system disorder, such as depression, lethargy, hallucinations, and numbness of hands, arms, legs, or feet. |
| 超过上限对健康的影响 |
There is no sufficient data on the adverse effects of excess biotin consumption, so the Upper Limit is not yet determined. Very high intakes of biotin may interfere with diagnostic tests that use biotin-streptavidin technology, such as measuring thyroid hormone. It can potentially produce falsely normal or abnormal results. |
| 参考资料 |
Learn more at: • The National Academies of Science, Engineering, Medicine publication: Dietary Reference Intakes • NIH (National Institutes of Health) article: Biotin • Healthline.com article: Health Benefits of Biotin |
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| 日需量年龄组 | 每日需量建议 | |
| 幼儿1至3岁: | 8 µg | |
| 儿童4至8岁: | 12 µg | |
| 男性9至13岁: | 20 µg | |
| 男性14至18岁: | 25 µg | |
| 男性19至30岁: | 30 µg | |
| 男性31至50岁: | 30 µg | |
| 男性51至70岁: | 30 µg | |
| 男性71岁或以上: | 30 µg | |
| 女性9至13岁: | 20 µg | |
| 女性14至18岁: | 25 µg | |
| 女性19至30岁: | 30 µg | |
| 女性31至50岁: | 30 µg | |
| 女性51至70岁: | 30 µg | |
| 女性71岁或以上: | 30 µg | |
| 女性孕妇(18岁以上): | 30 µg | |
| 女性哺乳期(18岁以上): | 35 µg | |
| FDA（基于2000卡路里的日常饮食）: | 30 µg |
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营养成分参考摄入量数据和营养成分知识来自于美国国立医学研究院2006年。膳食参考摄入量：营养需求基本指南。华盛顿特区:国家科学院出版社。National Academies' Institute of Medicine 2006. Dietary Reference Intakes: The Essential Guide to Nutrient Requirements. Washington, DC: The National Academies Press. https://doi.org/10.17226/11537 |
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营养成分知识基于美国食品和药物管理局（USFDA）营养教育资源文章。 https://www.accessdata.fda.gov/scripts/interactivenutritionfactslabel/ |
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营养成分知识基于美国国立卫生研究院的膳食补充剂情况说明书(Dietary Supplement Fact Sheets)。 https://ods.od.nih.gov/factsheets/list-all |
| 免责声明 | 此处提供的营养信息不应取代医疗建议。我们鼓励您与您的医疗保健提供者（例如您的医生）讨论对您的整体健康最有利的饮食需求。我们还建议您阅读本页提及的，但不限于，组织机构或专业参考文选或文章。此页面中的任何提及和参考链接并不代表我们对其服务和建议的代言（endorsement）。 |